Dropbox says it considered open-sourcing Mailbox, but ultimately decided against it. The full FAQ for Mailbox users is here.
Carousel, meanwhile, has a shutdown date of March 31, 2016. From then on, users can view and back up their photos through the Dropbox app, though the iOS app doesn’t support album view currently. Flashbacks will no longer be available after the cutoff date, nor will shared albums, though Dropbox will release an export tool for the latter. Users will retain any bonus space they earned by installing the app. More details are available on the Carousel FAQ.
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